Lamp changer



FIG. 1 is a perspective view of a lamp changer incorporating my new design; and

FIG. 2 is a front view of the lamp changer;

FIG. 3 is a left or right view of the lamp changer;

FIG. 4 is a top view of the lamp changer; and,

FIG. 5 is a bottom view of the lamp changer.

The broken line showing of environment in FIG. 1 is for illustrative purposes only and forms no part of the claimed design. 

I claim the ornamental design for a lamp changer, as shown and described. 